to sound authoritative
1authoritative — [adj1] recognized as true, valid accurate, attested, authentic, authenticated, circumstantiated, confirmed, definitive, dependable, documented, factual, faithful, learned, legit*, proven, reliable, righteous, scholarly, sound, straight from… …
2sound — [adj1] complete, healthy alive and kicking*, effectual, entire, firm, fit, flawless, hale, hearty, intact, in the pink*, perfect, right, right as rain*, robust, safe, sane, solid, stable, sturdy, substantial, thorough, total, unblemished,… …
3Sound film — …
4authoritative — adjective 1) authoritative information Syn: reliable, dependable, trustworthy, sound, authentic, valid, attested, verifiable; accurate Ant: unreliable 2) the authoritative edition S …
5sound — I 1. noun 1) the sound of the car Syn: noise, note; din, racket, row, hubbub; resonance, reverberation Ant: silence 2) she did not make a sound Syn …
6sound — Synonyms and related words: Christian, able to pay, accepted, adamantine, admissible, advantageous, advertise, all there, announce, annunciate, appear, appear like, appraise, appreciate, approved, arm, armlet, articulate, aspect, assay, assess,… …
7sound — I 1. noun 1) the sound of a car Syn: noise, din, racket, row, resonance, reverberation 2) she did not make a sound Syn: utterance, cry, word, noise, peep …
8authoritative — I (New American Roget s College Thesaurus) adj. official, decisive; imperative, peremptory; truthful, reliable; scholarly. See authority, certainty.Ant., doubtful. II (Roget s IV) modif. 1. [Based on competent authority] Syn. well supported, well …
9authoritative — Synonyms and related words: Christian, Daedalian, absolute, absolutist, absolutistic, accepted, accurate, acquainted with, adept, adroit, approved, apt, arbitrary, aristocratic, armipotent, arrogant, artistic, ascendant, assuring, at home in, at… …
10authoritative — adj 1. official, sanctioned, approved, validated, Inf.O.K. d; valid, true, authentic, genuine, real, Inf. kosher; ruling, governing, dominant. 2. sound, weighty, heavy, grave; documented, certified, attested, Sl. from the horse s mouth;… …